Rainbow is the classic 50x Grow a Garden mutation, often searched because it is common in value debates and trades.
Rainbow value = plant base value × 50 × quantity. Use the Grow a Garden profit calculator to apply this multiplier accurately before selling or trading.
Very rare random harvest mutation and one of the best-known value boosts.
Rainbow has a 50x multiplier in GAGPedia's current Grow a Garden value data.
Rainbow is tier B. Check the WFL Calculator before accepting a trade because base plant value, quantity, and demand still matter.
GAGPedia is a fan-made resource and is not affiliated with Roblox or the Grow a Garden developers.